Automatic remote control apparatus

Details Automatic remote control apparatus Automatic remote control apparatus

1974-09-13

1976-04-20

Schwadron, Martin P.

Power plants

Pressure fluid source and motor

Pulsator

60546, 60574, 91171, F15B 702

Patent

active

039509486

ABSTRACT:
Hydraulic control apparatus for automatic remote control of a hydraulic actuating ram. The apparatus has a double-acting slave cylinder connectable hydraulically to an actuating ram, and a double-acting master cylinder the piston of which is mechanically connected to the piston of the slave cylinder, the master cylinder being operable by hydraulic pressure supplied via a pilot-operated valve arranged automatically to reverse the stroke of the master ram at limits set according to the desired stroke of the actuating ram. The control apparatus may be used for controlling actuating rams which effect reciprocating pivotal movement about one or more axes of a water jet monitor.

REFERENCES:
patent: 2175800 (1939-10-01), Hodgman
patent: 2392892 (1946-01-01), Ward
patent: 2587571 (1952-02-01), Lombard
patent: 2999528 (1961-09-01), Kurtak
patent: 3039513 (1962-06-01), Lasiewicz et al.
patent: 3040533 (1962-06-01), Heinrich
patent: 3048976 (1962-08-01), Grigsby
patent: 3163989 (1965-01-01), Maxwell
patent: 3513656 (1970-05-01), Engle
patent: 3699676 (1972-10-01), Beck
patent: 3752282 (1973-08-01), Espenshied
patent: 3832852 (1974-09-01), Schmucker
patent: 3855794 (1974-12-01), Meyer et al.

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